CN203758965U - Quick ultrasonic flaw detection measurement device for support pillar porcelain insulator - Google Patents
Quick ultrasonic flaw detection measurement device for support pillar porcelain insulator Download PDFInfo
- Publication number
- CN203758965U CN203758965U CN201420088026.1U CN201420088026U CN203758965U CN 203758965 U CN203758965 U CN 203758965U CN 201420088026 U CN201420088026 U CN 201420088026U CN 203758965 U CN203758965 U CN 203758965U
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- Prior art keywords
- flaw detection
- circuit
- controller
- ultrasonic flaw
- porcelain insulator
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- Expired - Lifetime
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- 239000012212 insulator Substances 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 title abstract 5
- 239000000523 sample Substances 0.000 claims abstract description 31
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 2
- 230000001360 synchronised effect Effects 0.000 abstract 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000005856 abnormality Effects 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a quick ultrasonic flaw detection measurement device for a support pillar porcelain insulator. The quick ultrasonic flaw detection measurement device comprises a creeping wave probe, a power supply, a synchronous circuit, a time-base circuit, a transmitting circuit, a receiving amplification circuit and a controller, wherein the synchronous circuit is used for generating electric signals and transmitting the electric signals to the transmitting circuit and the time-base circuit; the electric signals of the time-base circuit are transmitted to the controller; the electric signals of the transmitting circuit are transmitted to the creeping wave probe; the creeping wave probe is used for converting the electric signals into ultrasonic waves; after the ultrasonic waves are detected, electric signals are generated again, are amplified by the receiving amplification circuit and are transmitted to the controller. The quick ultrasonic flaw detection measurement device is capable of rapidly carrying out flaw detection on defects of the support pillar porcelain insulator; in the detection process, after an abnormal signal is found, a contact of an alarm device is automatically triggered by the controller, and a sound-light alarm is given, so that a reliable testing method is provided for the safe operation of a power grid; furthermore, the obvious economic benefit is brought to the power grid, and the quick ultrasonic flaw detection measurement device has good popularization and application values.
Description
Technical field
The utility model relates to a kind of ultrasonic flaw detection measuring device, is specifically related to a kind of fast-type pillar porcelain insulator ultrasonic flaw detection measuring device.
Background technology
High-voltage pillar porcelain insulator is used widely in electric system, in recent years, the fracture defect of electric system pillar porcelain insulator happens occasionally, and some failure effect and serious, has formed great threat to the safe operation of electrical network and operating maintenance personnel's personal safety.Recent years particularly, 66～220kV high voltage isolator and bus support column porcelain bottle are in operation, and that the situation of fracture occurs is comparatively serious, pillar porcelain insulator owning amount in electric system is huge, once generation fracture accident, its harm is never second to miscellaneous equipment, can cause electric substation, supply line partly to have a power failure or all have a power failure, cause personnel injures and deaths, device damage, electric quantity loss, affect the prestige of power supply enterprise, consequence is very serious.So the detection to pillar porcelain insulator fracture must be paid close attention, find in time, eliminate early, otherwise consequence is hardly imaginable.To this, State Grid Corporation of China pays much attention to, and has in succession issued a series of vital documents, has clearly stipulated: must to pillar porcelain insulator, carry out Defect detection with ultra-sonic defect detector, stipulate the time between overhauls(TBO) of pillar porcelain insulator etc. simultaneously in literary composition.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of fast-type pillar porcelain insulator ultrasonic flaw detection measuring device, can detect fast the defect of flaw detection pillar porcelain insulator, greatly improve the security of system of whole electrical network.
Technical scheme: for achieving the above object, a kind of fast-type pillar porcelain insulator ultrasonic flaw detection measuring device of the present utility model, comprise creeping wave probe, power supply, synchronizing circuit, time base circuit, radiating circuit, reception amplifying circuit and controller, described synchronizing circuit produces electric signal and is transferred to radiating circuit and time base circuit simultaneously, time base circuit electric signal transmission is to controller, radiating circuit electric signal transmission is to creeping wave probe, creeping wave probe converts electrical signals to ultrasound wave, after surveying, produce again electric signal and amplify by receiving amplifying circuit, be transferred to controller.
As preferably, described controller is connected with acoustic-optic alarm.
As preferably, described controller is connected with memory module.
As preferably, described controller is connected with display device.
As preferably, described creeping wave probe comprises shell, is positioned at the transmitting wafer of shell and receives wafer, transmitting wafer and receive wafer parallel distribution arranged side by side, 26 °～26.5 ° of incident angles, described transmitting wafer and receive the middle sound insulation piece that is separated with of wafer.
As preferably, described creeping wave probe is also provided with delay block and acoustic absorbant, transmitting wafer and receive wafer top and be provided with acoustic absorbant, and transmitting wafer and receive wafer below and be provided with delay block, the delay block piece that insulated against sound is divided into two parts.
Beneficial effect: a kind of fast-type pillar porcelain insulator ultrasonic flaw detection measuring device of the present utility model, by creeping wave probe connect insulator, detect a flaw, can detect fast the defect of flaw detection pillar porcelain insulator, in testing process, note abnormalities after signal, the automatic trigger alarm device of controller contact, triggers sound and light alarm, for the safe operation of electrical network provides reliable measuring means, also to electrical network, bring obvious economic benefit, there is good application value simultaneously.
Accompanying drawing explanation
Structural representation when Fig. 1 is the utility model detection;
Fig. 2 is schematic diagram of the present utility model;
Fig. 3 is creeping wave probe structural representation in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1 to Figure 3, a kind of fast-type pillar porcelain insulator ultrasonic flaw detection measuring device of the present utility model, comprise creeping wave probe 2, power supply, synchronizing circuit, time base circuit, radiating circuit, reception amplifying circuit and controller, synchronizing circuit produces electric signal and is transferred to radiating circuit and time base circuit simultaneously, time base circuit electric signal transmission is to controller, radiating circuit electric signal transmission is to creeping wave probe 2, creeping wave probe 2 converts electrical signals to ultrasound wave, after surveying, produce again electric signal and amplify by receiving amplifying circuit, be transferred to controller.
In the utility model, controller is connected with acoustic-optic alarm, the signal that notes abnormalities in testing process, and the automatic trigger alarm device of controller contact, triggers acoustic-optic alarm, controller is connected with memory module, and the waveform that controller is received is stored, controller is connected with display device 3, and the waveform that controller is received shows by display device 3, creeping wave probe 2 comprises shell 8, be positioned at the transmitting wafer 6 of shell 8 and receive wafer 10, shell 8 is stainless steel casing 8, in the middle of transmitting wafer 6 and reception wafer 10, be separated with sound insulation piece 9, creeping wave probe 2 is also provided with delay block 7 and acoustic absorbant 5, transmitting wafer 6 and reception wafer 10 tops are provided with acoustic absorbant 5, transmitting wafer 6 and reception wafer 10 belows are provided with delay block 7, delay block 7 is separated by sound insulation piece 9, creeping wave probe adopts parallel small size wafer arranged side by side, receiving wafer 10 and launching wafer 6 sizes is 6mm * 6mm, receiving wafer 10 and launching wafer 6 is piezoelectric chip, piezoelectric chip is selected Lead Zirconate Titanate ceramic material, receive wafer 10 with respect to housing bottom surface at a tilt angle, angular range is 26 °～26.5 °, creeping wave probe 2 produces subsurface compressional wave L and inner shear wave S simultaneously while detecting, angle is respectively 85 ° and 30 °, insulator 4 is carried out the detection fast and effectively of surface crack and inherent vice and material simultaneously, the blind area that creeping wave probe 2 is detected reduces greatly, sensing range is larger, inner and surface is detected simultaneously, reduce and repeat to change the loaded down with trivial details of probe, transmission frequency adopts 2.5MHz.
In the utility model, owing to adopting the piezoelectric chip of Lead Zirconate Titanate ceramic material and the structure of acoustic absorbant 5 and stainless steel casing 8, improved the antijamming capability of creeping wave probe 2, sensitivity improves 6dB left and right.
The utility model in use, first insulator 4 is fixed on flange 1, creeping wave probe 2 is placed on the surface that needs to detect, select the position near flange 1, synchronizing circuit transmitting synchronizing pulse electric signal, by time base circuit, be transferred in controller, controller is connected with display device 3, the horizontal ordinate position of display defect waveform: time base circuit connects controller and is used for producing sawtooth voltage, be added on oscillatron horizontal-deflection plate, produce horizontal scanning line, thus, the position of defect is different, the sound path time is also different, the horizontal ordinate position of display defect waveform is just different, so, on display, defect physical location in insulator is just reacted in the horizontal ordinate position of defective waveform.Synchronizing circuit transmitting synchronizing pulse electric signal, synchronizing pulse electric signal is subject to triggering for generating high-frequency narrow-pulse by radiating circuit, add to creeping wave probe, the transmitting wafer 6 of creeping wave probe is energized presses vibration, convert electrical signals to ultrasound wave, be transmitted into pillar porcelain insulator 4, in insulator 4, produce the conversion of ultrasound wave waveform, carry out nondestructive examination, ultrasound wave is propagated in insulator 4, run into defect or bottom surface is reflected, return to probe, received wafer 10 changes electric signal into, by receiving amplifying circuit, electric signal is received and amplified, be transferred in controller, by memory module, store, the waveform that display device 3 display controllers receive, the ordinate position of waveform can judge the size of Defect Equivalent, the position of waveform ordinate exceeds the parameter of host setting, controller triggers rapidly acoustic-optic alarm, alarm.
The utility model is detected a flaw and is adopted twin crystal creeping wave probe arranged side by side by creeping wave probe 2 connect insulators 4, design special angle, can be quick, accurately the defects such as the inner and surperficial crackle of pillar porcelain insulator 4, pore, slag inclusion, interlayer, raw burn are carried out to effective carrying out flaw detection, greatly improve whole network system safety, stable, healthy operation level; Technical feature is good, waveform stabilization, check fast, directly perceived, be easy to grasp, test findings accurately and reliably, can solve the difficult problem that cannot effectively detect for many years completely, for the safe operation of electrical network provides reliable measuring means, also to electrical network, bring obvious economic benefit simultaneously, have good application value, it is blank that its achievement will be filled up domestic pillar porcelain insulator special-purpose ultrasonic flaw detection.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a fast-type pillar porcelain insulator ultrasonic flaw detection measuring device, it is characterized in that: comprise creeping wave probe (2), power supply, synchronizing circuit, time base circuit, radiating circuit, reception amplifying circuit and controller, described synchronizing circuit produces electric signal and is transferred to radiating circuit and time base circuit simultaneously, time base circuit electric signal transmission is to controller, radiating circuit electric signal transmission is to creeping wave probe (2), creeping wave probe (2) converts electrical signals to ultrasound wave, after surveying, produce again electric signal and amplify by receiving amplifying circuit, be transferred to controller.
2. fast-type pillar porcelain insulator ultrasonic flaw detection measuring device according to claim 1, is characterized in that: described controller is connected with acoustic-optic alarm.
3. fast-type pillar porcelain insulator ultrasonic flaw detection measuring device according to claim 1, is characterized in that: described controller is connected with memory module.
4. fast-type pillar porcelain insulator ultrasonic flaw detection measuring device according to claim 1, is characterized in that: described controller is connected with display device (3).
5. fast-type pillar porcelain insulator ultrasonic flaw detection measuring device according to claim 1, it is characterized in that: described creeping wave probe (2) comprises shell (8), is positioned at the transmitting wafer (6) of shell (8) and receives wafer (10), is separated with sound insulation piece (9) in the middle of described transmitting wafer (6) and reception wafer (10).
6. fast-type pillar porcelain insulator ultrasonic flaw detection measuring device according to claim 5, it is characterized in that: described creeping wave probe (2) is also provided with delay block (7) and acoustic absorbant (5), transmitting wafer (6) and reception wafer (10) top are provided with acoustic absorbant (5), transmitting wafer (6) and receive wafer (10) below and be provided with delay block (7), delay block (7) the quilt piece (9) that insulated against sound is divided into two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088026.1U CN203758965U (en) | 2014-02-28 | 2014-02-28 | Quick ultrasonic flaw detection measurement device for support pillar porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088026.1U CN203758965U (en) | 2014-02-28 | 2014-02-28 | Quick ultrasonic flaw detection measurement device for support pillar porcelain insulator |
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| Publication Number | Publication Date |
|---|---|
| CN203758965U true CN203758965U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420088026.1U Expired - Lifetime CN203758965U (en) | 2014-02-28 | 2014-02-28 | Quick ultrasonic flaw detection measurement device for support pillar porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203758965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483043A (en) * | 2014-12-19 | 2015-04-01 | 深圳供电局有限公司 | Stress measurement device and method for knob insulator |
| CN110320272A (en) * | 2019-06-17 | 2019-10-11 | 华南理工大学 | A kind of detection method of three support insulators center conductor and epoxy part faying face |
-
2014
- 2014-02-28 CN CN201420088026.1U patent/CN203758965U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483043A (en) * | 2014-12-19 | 2015-04-01 | 深圳供电局有限公司 | Stress measurement device and method for knob insulator |
| CN104483043B (en) * | 2014-12-19 | 2017-06-16 | 深圳供电局有限公司 | A kind of porcelain knob insulator stress detection device and method |
| CN110320272A (en) * | 2019-06-17 | 2019-10-11 | 华南理工大学 | A kind of detection method of three support insulators center conductor and epoxy part faying face |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
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| CX01 | Expiry of patent term |